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McStas: TAS1_Diff_Slit Instrument at Risoe

[ Identification | Description | Input parameters | Output parameters | Links ]

The TAS1_Diff_Slit Instrument

The conventional cold-source triple-axis spectrometer TAS1 at Risoe National Laboratory used as a diffractometer for a collimation alignment study with a slit sample.

Identification

  • Site: Risoe
  • Author: A. Abrahamsen, N. B. Christensen, and E. Lauridsen
  • Origin: Risoe
  • Date: 1998
  • Version:(Unknown)

Description

This instrument is the conventional cold-source triple-axis spectrometer TAS1
at Risoe National Laboratory. It does not exist anymore, but was used as the
first detailed work performed with the McStas package.
Here it is used as a diffractometer for a collimation alignment study. The
sample is a slit and there is no analyzer.


Input parameters

Parameters in boldface are required; the others are optional.
Name Unit Description Default
PHM deg Monochromator arm angle, aka A1 -37.077
TTM deg Monochromator take-off angle, aka A2 -74
TT deg Take-off angle at the sample position, aka A4 33.52
C1 mono-sample arm [min] Collimator 1 aperture 30
OMC1 deg Tilt angle of the Collimator 1 5.5
C2 sample-ana arm [min] Collimator 2 aperture 28
C3 ana-detector arm [min] Collimator 3 aperture 67

Links

  • Source code for TAS1_Diff_Slit.instr.
  • The McStas User manual A. Abrahamsen, N. B. Christensen, and E. Lauridsen. McStas simulations of the TAS1 spectrometer. Student's report, Niels Bohr Institute, University of Copenhagen, 1998.

[ Identification | Description | Input parameters | Output parameters | Links ]

Generated automatically by McDoc, Peter Willendrup <peter.willendrup@risoe.dk> / Mon Jun 26 12:27:17 2017


Last Modified: Monday, 26-Jun-2017 14:27:17 CEST
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